diff options
Diffstat (limited to 'lib/sqlalchemy')
| -rw-r--r-- | lib/sqlalchemy/orm/sync.py | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/sqlalchemy/orm/sync.py b/lib/sqlalchemy/orm/sync.py index 795d76b1a..d85842861 100644 --- a/lib/sqlalchemy/orm/sync.py +++ b/lib/sqlalchemy/orm/sync.py @@ -9,7 +9,7 @@ attributes between two objects in a manner corresponding to a SQL clause that compares column values. """ -from sqlalchemy import schema, exceptions +from sqlalchemy import schema, exceptions, util from sqlalchemy.sql import visitors, operators from sqlalchemy import logging from sqlalchemy.orm import util as mapperutil @@ -53,10 +53,10 @@ class ClauseSynchronizer(object): if binary.left.table == binary.right.table: raise exceptions.ArgumentError("need foreign_keys argument for self-referential sync") - if binary.left in [f.column for f in binary.right.foreign_keys]: + if binary.left in util.Set([f.column for f in binary.right.foreign_keys]): dest_column = binary.right source_column = binary.left - elif binary.right in [f.column for f in binary.left.foreign_keys]: + elif binary.right in util.Set([f.column for f in binary.left.foreign_keys]): dest_column = binary.left source_column = binary.right else: |